Products: SEMS Washers, Double Coil Lock Washers, Cold Formed Fasteners, Sheet Metal Screws and more

Below are some of our most popular items. Please contact our office for a quote on these items or for information on other fasteners, custom assemblies, stampings or specialty products.

SEMS Washers

ITW Shakeproof SEMS Washers

• Split Lock Washers
• Tooth Lock Washers
• Square Cone Washers

Double Coil Lock Washers

ITW Shakeproof Double Coil Lock Washers

• Double Coil Lock Washers

Split Lock Washers – Large Diameter

ITW Shakeproof Split Lock Washers – Large Diameter (7/8" – 3")

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Cold Formed Fasteners

UniTech Products Corporation Cold Formed Parts

• Shoulder Bolts
• Knurled Bolts
• Weld Screws

Sheet Metal Screws

Pull-Tight Serrated Hex Washer Head Sheet Metal Screws

• Sheet Metal Screws
• Sheet Metal Screws

Nylon Insert Lock Nuts

• Nylon Insert Nuts

Hex Bolts

• Hex Bolts

Hex Nuts

• Hex Nuts

Machine Screws

• Machine Screws

Other Products

• Tapping Screws
• Double End Studs
• Flat Washers
• Serrated Lock Nuts
• Square Nuts
• Flange Nuts

Call 630-405-8492 with questions or email us at for a quote.

Services (Value Added)

• Fastener Assembly
• Custom Poly Bagging & Labeling
• Remote Managed Inventory (RMI)